Toyota Sienna Service Manual: Terminals of ECU
1. CHECK DISTANCE CONTROL ECU
- Reference: waveform 1
HINT:
- Terminal: LRDD - SGND
- Gauge set: 2 V/DIV., 10 ms./DIV.
- Condition: ignition switch in the ON position
- Reference: waveform 2
HINT:
- Terminal: LRRD - SGND
- Gauge set: 2 V/DIV., 5 ms./DIV.
- Condition: ignition switch in the ON position
2. CHECK ECM
If the value is not within the specified range, the ECM may have a malfunction.
3. CHECK LASER SENSOR
- Reference: waveform 1
HINT:
- Terminal: LRDD - SGND
- Gauge set: 2 V/DIV., 10 ms./DIV.
- Condition: ignition switch in the ON position
- Reference: waveform 2
HINT:
- Terminal: LRRD - SGND
- Gauge set: 2 V/DIV., 5 ms./DIV.
- Condition: ignition switch in the ON position
4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The likely causes of the problem are
indicated in descending order. Check each suspected area
in order. Re ...
Diagnosis system
1. DIAGNOSIS FUNCTION
The diagnosis function makes the light and the
multi-information display come on, and the CRUISE
main indicator light blink as shown in the illustration.
When ...
Other materials:
CD Abnormal/ Excess Current/ Tray Insertion / Ejection Error
DTC 63-44 CD Abnormal
DTC 63-48 Excess Current
DTC 63-50 Tray Insertion / Ejection Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
63-44
Operation error in the CD mechanism
Radio and navigation assembly
63-48
Excess current is pr ...
Removal
1. REMOVE REAR SEAT 3 POINT TYPE BELT
ASSEMBLY (for 8-Passenger)
HINT:
Refer to the instructions for disassembly of the rear No. 1 seat assembly (for
center seat).
Remove the bolt and rear seat 3 point type belt
assembly.
2. REMOVE REAR SEAT 3 POINT TYPE BELT
ASSEMBLY (for 7-Pas ...
Removal
NOTICE:
Do not adjust the brake booster push rod.
Do not change the combination of the diameter
converting unit and brake.
1. REMOVE FRONT WHEEL
2. DRAIN BRAKE FLUID
NOTICE:
Wash the brake fluid off immediately if it attaches to
any painted surfaces.
3. SEPARATE BATTERY NEGATIVE TERM ...
